@@ -75,6 +75,7 @@
#define MXT_SPT_DIGITIZER_T43 43
#define MXT_SPT_MESSAGECOUNT_T44 44
#define MXT_SPT_CTECONFIG_T46 46
+#define MXT_SPT_NOISESUPPRESSION_T48 48
/* MXT_GEN_MESSAGE_T5 object */
#define MXT_RPTID_NOMSG 0xff
@@ -265,6 +266,7 @@ struct mxt_data {
u8 T9_reportid_min;
u8 T9_reportid_max;
u16 T44_address;
+ u8 T48_reportid;
};
/* I2C slave address pairs */
@@ -671,6 +673,26 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message)
data->update_input = true;
}
+static int mxt_proc_t48_messages(struct mxt_data *data, u8 *msg)
+{
+ struct device *dev = &data->client->dev;
+ u8 status, state;
+
+ status = msg[1];
+ state = msg[4];
+
+ dev_dbg(dev, "T48 state %d status %02X %s%s%s%s%s\n",
+ state,
+ status,
+ (status & 0x01) ? "FREQCHG " : "",
+ (status & 0x02) ? "APXCHG " : "",
+ (status & 0x04) ? "ALGOERR " : "",
+ (status & 0x10) ? "STATCHG " : "",
+ (status & 0x20) ? "NLVLCHG " : "");
+
+ return 0;
+}
+
static int mxt_proc_message(struct mxt_data *data, u8 *message)
{
u8 report_id = message[0];
@@ -686,6 +708,9 @@ static int mxt_proc_message(struct mxt_data *data, u8 *message)
&& report_id <= data->T9_reportid_max) {
mxt_proc_t9_message(data, message);
handled = true;
+ } else if (report_id == data->T48_reportid) {
+ mxt_proc_t48_messages(data, message);
+ handled = true;
}
if (!handled || data->debug_enabled)
@@ -1343,6 +1368,9 @@ static int mxt_get_object_table(struct mxt_data *data)
case MXT_SPT_MESSAGECOUNT_T44:
data->T44_address = object->start_address;
break;
+ case MXT_SPT_NOISESUPPRESSION_T48:
+ data->T48_reportid = min_id;
+ break;
}
end_address = object->start_address
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk> --- drivers/input/touchscreen/atmel_mxt_ts.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)